[oe-commits] [openembedded-core] 27/32: xserver-xorg: remove embedded build path in the source

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rpurdie pushed a commit to branch master-next
in repository openembedded-core.

commit 82a40f46ba3a87da8e133b6996969e3194ceaa98
Author: Ross Burton <ross.burton at intel.com>
AuthorDate: Fri Aug 2 21:37:16 2019 +0100

    xserver-xorg: remove embedded build path in the source
    
    The generated source file sdksyms.c has a comment with the absolute build path,
    which means xserver-xorg-src contains this build path.  This is both potential
    build information leakage and a source of unreproducibility, so remove the
    comment.
    
    Signed-off-by: Ross Burton <ross.burton at intel.com>
    Signed-off-by: Richard Purdie <richard.purdie at linuxfoundation.org>
---
 .../xserver-xorg/sdksyms-no-build-path.patch       | 22 ++++++++++++++++++++++
 .../xorg-xserver/xserver-xorg_1.20.4.bb            |  1 +
 2 files changed, 23 insertions(+)

diff --git a/meta/recipes-graphics/xorg-xserver/xserver-xorg/sdksyms-no-build-path.patch b/meta/recipes-graphics/xorg-xserver/xserver-xorg/sdksyms-no-build-path.patch
new file mode 100644
index 0000000..54d128c
--- /dev/null
+++ b/meta/recipes-graphics/xorg-xserver/xserver-xorg/sdksyms-no-build-path.patch
@@ -0,0 +1,22 @@
+sdksyms.sh: don't embed the build path
+
+This script generates a header that has a comment containing the build path for
+no real reason.  As this source can end up deployed on targets in debug packages
+this means there is both potentially sensitive information leakage about the
+build environment, and a source of change for reproducible builds.
+
+Upstream-Status: Submitted [https://gitlab.freedesktop.org/xorg/xserver/merge_requests/253]
+Signed-off-by: Ross Burton <ross.burton at intel.com>
+
+diff --git a/hw/xfree86/sdksyms.sh b/hw/xfree86/sdksyms.sh
+index 39e33711d..cdb3794b9 100755
+--- a/hw/xfree86/sdksyms.sh
++++ b/hw/xfree86/sdksyms.sh
+@@ -308,7 +308,6 @@ BEGIN {
+     print(" * These symbols are referenced to ensure they");
+     print(" * will be available in the X Server binary.");
+     print(" */");
+-    printf("/* topdir=%s */\n", topdir);
+     print("_X_HIDDEN void *xorg_symbols[] = {");
+ 
+     printf("sdksyms.c:") > "sdksyms.dep";
diff --git a/meta/recipes-graphics/xorg-xserver/xserver-xorg_1.20.4.bb b/meta/recipes-graphics/xorg-xserver/xserver-xorg_1.20.4.bb
index d7c5e6b..abc4656 100644
--- a/meta/recipes-graphics/xorg-xserver/xserver-xorg_1.20.4.bb
+++ b/meta/recipes-graphics/xorg-xserver/xserver-xorg_1.20.4.bb
@@ -4,6 +4,7 @@ SRC_URI += "file://0001-xf86pciBus.c-use-Intel-ddx-only-for-pre-gen4-hardwar.pat
             file://pkgconfig.patch \
             file://0001-test-xtest-Initialize-array-with-braces.patch \
             file://0001-compiler.h-Do-not-include-sys-io.h-on-ARM-with-glibc.patch \
+            file://sdksyms-no-build-path.patch \
             "
 SRC_URI[md5sum] = "c4841cc24b79420205d082fe82e0a650"
 SRC_URI[sha256sum] = "fe0fd493ebe93bfc56bede382fa204458ff5f636ea54d413a5d1bd58e19166ee"

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